Guangzhou Huitong Machinery Co., Ltd.
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20 Ton Excavator SB81 140mm Hydraulic Breaker Hammer For Construction
Hydraulic Breaker SpecifiPCion
| Model | Unit | Small range | Medium range | ||||
| Operating Weight (side/top/box) | kg | 70/72/102 | 95/95/126 | 138/138/152 | 180/180/224 | 263/263/299 | 334/335/375 |
| Working Flow Rate | 1iter/min | 15-25 | 20-30 | 25-50 | 30-60 | 40-70 | 50-90 |
| Oil Relief Pressure | kg/cm^2 | 160 | 160 | 160 | 160 | 170 | 170 |
| Working Pressure | kg/cm^2 | 90-120 | 90-120 | 90-120 | 100-130 | 110-140 | 120-170 |
| Impact Rate | bpm | 800-1400 | 700-1200 | 600-1000 | 500-1000 | 500-900 | 400-800 |
| Chisel Diameter | mm | 40 | 45 | 53 | 60 | 68 | 75 |
| Back Head Pressure | kg/cm^2 | 16 | 16 | 16 | 16 | 16 | 16±0.5 |
| Applicable Excavator Weight | ton | 0.8-2.5 | 1.2-3.0 | 2.5-4.5 | 3-5.5 | 4-7 | 6-9 |
Advantages
1. Material: 20CrMo, including front head, cylinder, back head.
3.Cylinder & valves: prevents scuffing with precision finishing treatment.
4.Piston: every piston tolerance machined perfectly according to each cylinder.